<%@ page pageEncoding="UTF-8"%>
<h2>你没有选择文件,<span id="limitSec" style="font-weight: bolder; color:red">5</span>秒后退回上个页面</h2>
<script type="text/javascript">
var mc = 5;
var mid = -1;
$(function(){
	mid  = window.setInterval("changeLabel()",1000);
});
function changeLabel(){
   $("#limitSec").text(mc--);  
   if(mc<-1){
	   window.clearInterval(mid);
	   
	   doGet('${fromUrl}');
   } 	
}

</script>